mirror of
https://github.com/wesnoth/wesnoth
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766cfe8201
UI elements with blur effects (such as translucent windows) now defer rendering for one frame, so they can snapshot the area underneath for blurring. In the future this should be done as multiple passes in one frame, but for now this is fine.
146 lines
3.0 KiB
C++
146 lines
3.0 KiB
C++
/*
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Copyright (C) 2008 - 2023
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by Mark de Wever <koraq@xs4all.nl>
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Part of the Battle for Wesnoth Project https://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#define GETTEXT_DOMAIN "wesnoth-lib"
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#include "gui/widgets/spacer.hpp"
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#include "gui/core/register_widget.hpp"
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#include "gui/widgets/settings.hpp"
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#include <functional>
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namespace gui2
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{
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// ------------ WIDGET -----------{
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REGISTER_WIDGET(spacer)
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spacer::spacer(const implementation::builder_spacer& builder, const std::string& w, const std::string& h)
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: styled_widget(builder, type())
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, width_(w)
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, height_(h)
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{
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}
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bool spacer::fills_available_space()
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{
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return (!width_.has_formula() && width_() == 0) && (!height_.has_formula() && height_() == 0);
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}
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void spacer::request_reduce_width(const unsigned maximum_width)
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{
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// Do nothing unless this widget fills all available space (has non-size size).
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if(fills_available_space()) {
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styled_widget::request_reduce_width(maximum_width);
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}
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}
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void spacer::request_reduce_height(const unsigned maximum_height)
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{
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// Do nothing unless this widget fills all available space (has non-size size).
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if(fills_available_space()) {
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styled_widget::request_reduce_height(maximum_height);
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}
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}
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point spacer::calculate_best_size() const
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{
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const wfl::map_formula_callable& size = get_screen_size_variables();
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unsigned width = width_(size);
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unsigned height = height_(size);
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point best_size;
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if(width || height) {
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best_size = point(width, height);
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}
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if(best_size != point()) {
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return best_size;
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}
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return styled_widget::calculate_best_size();
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}
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void spacer::set_active(const bool /*active*/)
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{
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/* DO NOTHING */
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}
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bool spacer::get_active() const
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{
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return true;
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}
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unsigned spacer::get_state() const
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{
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return 0;
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}
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bool spacer::disable_click_dismiss() const
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{
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return false;
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}
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bool spacer::impl_draw_background()
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{
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/* DO NOTHING */
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return true;
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}
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// }---------- DEFINITION ---------{
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spacer_definition::spacer_definition(const config& cfg)
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: styled_widget_definition(cfg)
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{
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DBG_GUI_P << "Parsing spacer " << id;
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load_resolutions<resolution>(cfg);
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}
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spacer_definition::resolution::resolution(const config& cfg)
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: resolution_definition(cfg)
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{
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}
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// }---------- BUILDER -----------{
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namespace implementation
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{
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builder_spacer::builder_spacer(const config& cfg)
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: builder_styled_widget(cfg), width_(cfg["width"]), height_(cfg["height"])
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{
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}
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std::unique_ptr<widget> builder_spacer::build() const
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{
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auto widget = std::make_unique<spacer>(*this, width_, height_);
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DBG_GUI_G << "Window builder: placed spacer '" << id
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<< "' with definition '" << definition << "'.";
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return widget;
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}
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} // namespace implementation
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// }------------ END --------------
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} // namespace gui2
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